I don't know if it is a good idea or not,but you could change the web url just a little so that the password will be different. For example twitter.com could be

I don't know if it is a good idea or not,but you could change the web url just a little so that the password will be different. For example twitter.com could be twotter.com. You know it's still twitter of course,but you'd have a new password.